What is the average Systems Administrator Sr salary for Wilmington, DE?
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As of June 01, 2026, the average Systems Administrator Sr salary in Wilmington, DE is $128,636. The chart below represents localized salaries for some of our most popular Systems Administrator Sr job titles in Wilmington, DE. Salaries can vary greatly depending on numerous factors, including position, location, years of experience, and level of education. Salary.com’s team of Certified Compensation Professionals analyzed survey data collected from thousands of HR departments at companies of all sizes and industries to compile a range of salaries for various Systems Administrator Sr job titles in Wilmington, DE. Apply your personal criteria to one of the job titles below to get your personalized salary estimate.
Systems Administrator Sr Salaries in Wilmington, DE
| Job Title | Salary | Hourly Rate | Location | Date Updated |
| Systems Support Assistant, Sr. | $79,793 | $38.36 | Wilmington, DE | June 01, 2026 |
| Systems Administrator II | $98,408 | $47.31 | Wilmington, DE | June 01, 2026 |
| Systems Administrator III | $122,305 | $58.80 | Wilmington, DE | June 01, 2026 |
| Systems Administrator I | $79,609 | $38.27 | Wilmington, DE | June 01, 2026 |
| Systems Administrator IV | $146,233 | $70.30 | Wilmington, DE | June 01, 2026 |
| Systems Administrator V | $171,587 | $82.49 | Wilmington, DE | June 01, 2026 |
| UNIX Systems Administrator II | $118,388 | $56.92 | Wilmington, DE | June 01, 2026 |
| Systems/Application Security Analyst, Sr. | $129,019 | $62.03 | Wilmington, DE | June 01, 2026 |
| Network Administrator IV | $141,780 | $68.16 | Wilmington, DE | June 01, 2026 |
| Network Administrator III | $118,766 | $57.10 | Wilmington, DE | June 01, 2026 |
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Assists in the installation, maintenance, and general support of systems. Assists users with questions or problems. May help perform system backups and recovery and install new software. May require an associate degree or equivalent. Typically reports to a supervisor or manager. Works independently within established procedures associated with the specific job function. Has gained proficiency in multiple competencies relevant to the job. Typically requires 3-5 years of related experience. Systems Support Assistant, Sr. Salaries in Wilmington, DEAlternate Job Titles:General Systems Support Senior Assistant, Systems Support Assistant, Sr.
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Maintains and supports the integrity of the operating system environment and various computer systems. Performs systems maintenance tasks, such as system back-up, recovery, and file maintenance to promote uptime and efficient performance. Acquires, installs, and tests system software upgrades and computer components. Configures software and resolves technical problems. Maintains documentation of IT infrastructure and troubleshooting procedures. Requires a bachelor's degree. Typically reports to a manager. Occasionally directed in several aspects of the work. Gaining exposure to some of the complex tasks within the job function. Typically requires 2-4 years of related experience. Systems Administrator II Salaries in Wilmington, DEAlternate Job Titles:Operating Systems Administrator II, Systems Administrator - Experienced, Systems Maintenance Administrator II, Systems Administrator II
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Maintains and supports the integrity of the operating system environment and various computer systems. Performs systems maintenance tasks, such as system back-up, recovery, and file maintenance to promote uptime and efficient performance. Acquires, installs, and tests system software upgrades and computer components. Configures software and resolves technical problems. Maintains documentation of IT infrastructure and troubleshooting procedures. Requires a bachelor's degree. Typically reports to a manager. Work is generally independent and collaborative in nature. Contributes to moderately complex aspects of a project. Typically requires 4-7 years of related experience. Systems Administrator III Salaries in Wilmington, DEAlternate Job Titles:Operating Systems Administrator III, Systems Administrator - Senior, Systems Maintenance Administrator III, Systems Administrator III
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Maintains and supports the integrity of the operating system environment and various computer systems. Performs systems maintenance tasks, such as system back-up, recovery, and file maintenance to promote uptime and efficient performance. Acquires, installs, and tests system software upgrades and computer components. Configures software and resolves technical problems. Maintains documentation of IT infrastructure and troubleshooting procedures. Requires a bachelor's degree. Typically reports to a manager. Work is closely managed. Works on projects/matters of limited complexity in a support role. Typically requires 0-2 years of related experience. Systems Administrator I Salaries in Wilmington, DEAlternate Job Titles:Operating Systems Administrator I, Systems Administrator - Entry, Systems Maintenance Administrator I, Systems Administrator I
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Maintains and supports the integrity of the operating system environment and various computer systems. Performs systems maintenance tasks, such as system back-up, recovery, and file maintenance to promote uptime and efficient performance. Acquires, installs, and tests system software upgrades and computer components. Configures software and resolves technical problems. Maintains documentation of IT infrastructure and troubleshooting procedures. Requires a bachelor's degree. Typically reports to a manager. Work is highly independent. May assume a team lead role for the work group. A specialist on complex technical and business matters. Typically requires 7+ years of related experience. Systems Administrator IV Salaries in Wilmington, DEAlternate Job Titles:Operating Systems Administrator IV, Systems Administrator - Specialist, Systems Maintenance Administrator IV, Systems Administrator IV
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Maintains and supports the integrity of the operating system environment and various computer systems. Performs systems maintenance tasks, such as system back-up, recovery, and file maintenance to promote uptime and efficient performance. Acquires, installs, and tests system software upgrades and computer components. Configures software and resolves technical problems. Maintains documentation of IT infrastructure and troubleshooting procedures. Requires a bachelor's degree. Typically reports to a manager. Works autonomously. Goals are generally communicated in "solution" or project goal terms. May provide a leadership role for the work group through knowledge in the area of specialization. Works on advanced, complex technical projects or business issues requiring state of the art technical or industry knowledge. Typically requires 10+ years of related experience. Systems Administrator V Salaries in Wilmington, DEAlternate Job Titles:Operating Systems Administrator V, Systems Administrator - Expert, Systems Maintenance Administrator V, Systems Administrator V
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Responsible for the installation, configuration and maintenance of the organization's UNIX operating systems and all related systems or software. Analyzes and resolves problems associated with server hardware/software and applications software and ensures scalability and appropriate integration with other systems. Detects, diagnoses, and reports UNIX related problems on both UNIX server and UNIX desktop systems. Responsible for backup or recovery procedures. May require a bachelor's degree. Typically reports to a manager. Occasionally directed in several aspects of the work. Gaining exposure to some of the complex tasks within the job function. Typically requires 2-4 years of related experience. UNIX Systems Administrator II Salaries in Wilmington, DEAlternate Job Titles:Systems Administrator - Intermediate - UNIX, UNIX Operating Systems Administrator II, UNIX Systems Administrator II
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Analyzes information security systems and applications and finds the vulnerabilities. Recommends and develops security measures to protect information against unauthorized modification or loss. Coordinates with development teams or third parties to fix systems/application vulnerabilities. Requires a bachelor's degree. Typically reports to a manager. Contributes to moderately complex aspects of a project. Work is generally independent and collaborative in nature. Typically requires 4 to 7 years of related experience. Systems/Application Security Analyst, Sr. Salaries in Wilmington, DEAlternate Job Titles:InfoSec Senior Analyst, Systems Security Professional - Senior, Systems/Application Security Analyst, Sr.
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Responsible for the daily administration of a network and server environment. Installs, configures, and maintains system software. Monitors network performance, troubleshoots issues, and deploys solutions. Documents network issues and events using standard formats. Plans and implements upgrades, patches, and new applications and equipment installation. Uses scripting and writes basic programs to automate processes. Maintains and follows disaster recovery, security, backup, and restore plans. May evaluate new tools or equipment and perform analysis/feasibility studies to guide decisions on optimizing network performance. Typically requires a bachelor's degree. May require Network Administrator Certification. Typically reports to a supervisor or manager. Work is highly independent. May assume a team lead role for the work group. A specialist on complex technical and business matters. Typically requires 7+ years of related experience. Network Administrator IV Salaries in Wilmington, DEAlternate Job Titles:Network/Systems Administrator IV, Network Administrator IV
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Responsible for the daily administration of a network and server environment. Installs, configures, and maintains system software. Monitors network performance, troubleshoots issues, and deploys solutions. Documents network issues and events using standard formats. Plans and implements upgrades, patches, and new applications and equipment installation. Uses scripting and writes basic programs to automate processes. Maintains and follows disaster recovery, security, backup, and restore plans. May evaluate new tools or equipment and perform analysis/feasibility studies to guide decisions on optimizing network performance. Typically requires a bachelor's degree. May require Network Administrator Certification. Typically reports to a supervisor or manager. Work is generally independent and collaborative in nature. Contributes to moderately complex aspects of a project. Typically requires 4-7 years of related experience. Network Administrator III Salaries in Wilmington, DEAlternate Job Titles:Network/Systems Administrator III, Network Administrator III